Element block pseudo-class :active generated with box-sizing content-box z-index auto line-height 1 outline none text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px border 0px rgba(0,0,0,1) solid position static background font-size 16px height auto width 160px overflow hidden transition padding 20px cursor default font-weight normal transform border-radius display block opacity 1 float none box-shadow 1px 1px 1px rgba(0,0,0,0.3)